The Collaborative International Dictionary of English v.0.48:

cultivated \cultivated\ adj.
   1. marked by refinement in taste and manners; as, cultivated
      tastes in art.

   Syn: civilized, cultured, genteel, polite.
        [WordNet 1.5]

   2. used for raising crops; -- of land or soil.
      [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Cultivate \Cul"ti*vate\ (k?l"t?-v?t), v. t. [imp. & p. p.
   Cultivated (-v?`t?d); p. pr. & vb. n. Cultivating
   (-v?`-t?ng).] [LL. cultivatus, p. p. of cultivare to
   cultivate, fr. cultivus cultivated, fr. L. cultus, p. p. of
   colere to till, cultivate. Cf. Colony.]
   1. To bestow attention, care, and labor upon, with a view to
      valuable returns; to till; to fertilize; as, to cultivate
      soil.
      [1913 Webster]

   2. To direct special attention to; to devote time and thought
      to; to foster; to cherish.
      [1913 Webster]

            Leisure . . . to cultivate general literature.
                                                  --Wordsworth.
      [1913 Webster]

   3. To seek the society of; to court intimacy with.
      [1913 Webster]

            I ever looked on Lord Keppel as one of the greatest
            and best men of his age; and I loved and cultivated
            him accordingly.                      --Burke.
      [1913 Webster]

   4. To improve by labor, care, or study; to impart culture to;
      to civilize; to refine.
      [1913 Webster]

            To cultivate the wild, licentious savage. --Addison.
      [1913 Webster]

            The mind of man hath need to be prepared for piety
            and virtue; it must be cultivated to the end.
                                                  --Tillotson.
      [1913 Webster]

   5. To raise or produce by tillage; to care for while growing;
      as, to cultivate corn or grass.
      [1913 Webster]

WordNet (r) 3.0 (2006):

cultivated
    adj 1: (of land or fields) prepared for raising crops by plowing
           or fertilizing; "cultivated land" [ant: uncultivated]
    2: no longer in the natural state; developed by human care and
       for human use; "cultivated roses"; "cultivated blackberries"
    3: marked by refinement in taste and manners; "cultivated
       speech"; "cultured Bostonians"; "cultured tastes"; "a genteel
       old lady"; "polite society" [syn: civilized, civilised,
       cultivated, cultured, genteel, polite]

Moby Thesaurus II by Grady Ward, 1.0:

60 Moby Thesaurus words for "cultivated":
   abstruse, advanced, ameliorated, aristocratic, beautified,
   bettered, civilized, converted, cosmopolitan, cultured, dainty,
   deep, delicate, developed, discriminating, educated, elegant,
   embellished, encyclopedic, enhanced, enriched, erudite, fastidious,
   fine, genteel, gentle, gentlemanlike, gentlemanly, graceful,
   gracile, gracious, highbred, improved, ladylike, learned, lettered,
   literate, nice, pansophic, perfected, polished, polyhistoric,
   polymath, polymathic, profound, refined, reformed, scholarly,
   scholastic, soignee, sophisticated, studious, suave, subtle,
   transfigured, transformed, urbane, well-bred, well-brought-up,
   wise